Focusing ring



FIG. 1 is a perspective view of a focusing ring showing our new design;

FIG. 2 is a front elevational view of the focusing ring thereof;

FIG. 3 is a rear elevational view of the focusing ring thereof;

FIG. 4 is a right side elevational view of the focusing ring thereof;

FIG. 5 is a left side elevational view of the focusing ring thereof;

FIG. 6 is a top plan view of the focusing ring thereof; and,

FIG. 7 is a bottom plan view of the focusing ring thereof. 

CLAIM The ornamental design for a focusing ring, as shown and described. 